Dual Endpoint Nerve Stimulation Versus Ultrasound in Infraclavicular Block for Hand Surgery

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

106 participants

Study Classification

INTERVENTIONAL

Study Start Date

2006-01-31

Study Completion Date

2008-12-31

Brief Summary

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Current best practice for performance of infraclavicular block dictates the use of a dual-endpoint nerve stimulation technique that still only results in a 79% success rate. Use of an ultrasound-guided technique has the potential to significantly improve success. A randomized, controlled study to evaluate this area remains to be performed and is required to demonstrate to anesthesiologists that an ultrasound-guided approach should supersede nerve stimulation as the technique of choice for infraclavicular block.

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Detailed Description

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Conditions

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Hand Surgery

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Ultrasound

Ultrasound guided infraclavicular block

Group Type EXPERIMENTAL

Ultrasound Guided Infraclavicular Nerve Block

Intervention Type PROCEDURE

Use of Ultrasound to help guide needle placement and local anesthetic injection during infraclavicular nerve block.

Dual Endpoint Nerve Stimulator

Nerve stimulator guided dual endpoint infraclavicular block

Group Type ACTIVE_COMPARATOR

Dual-Endpoint nerve stimulation

Intervention Type PROCEDURE

Use of dual-endpoint nerve stimulation to guide needle placement and local anesthetic injection during infraclavicular nerve block.

Interventions

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Ultrasound Guided Infraclavicular Nerve Block

Use of Ultrasound to help guide needle placement and local anesthetic injection during infraclavicular nerve block.

Intervention Type PROCEDURE

Dual-Endpoint nerve stimulation

Use of dual-endpoint nerve stimulation to guide needle placement and local anesthetic injection during infraclavicular nerve block.

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* Patients undergoing elective upper limb surgery at or below the elbow.
* Patients aged \>18 and \<80 years
* ASA I-III
* BMI\<35

Exclusion Criteria

* Inability to read, write or speak English. (This is necessary because subjects will have to follow detailed instructions to allow testing of motor and sensory function. It is not feasible to have an interpreter present in the block room during performance of these procedures)
* Contraindication to brachial plexus block
* Existing neurological deficit in the area to be blocked
* Known loco-regional malignancy or infection
* Coagulopathy
* Allergy to local anesthetic agents.
* Chest or shoulder deformities
* Severe respiratory disease
* Healed but dislocated clavicle fracture

Minimum Eligible Age

18 Years

Maximum Eligible Age

80 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No